Nielsen Hayden genealogy
Descendants of Cunegonde
895 -Mother: Ermentrude of France (Between 870 and 877 - ??)
Cunegonde (Between 885 and 895 - ??)
Wigeric ( - Aft 19 Jan 916 bur.Hastière, Belgium)(m. Abt 908)
   ├─ Gozlin ( - 18 Oct 942)
   │ Uda ( - Aft 19 May 963)
   │    └─ Godefroid ( - Aft 996)
   │     Mathilde of Saxony ( - 25 May 1009)(m. Abt 963)
   │        │ +
   │         + Mathilde
   ├─ Frédéric I (Between 910 and 915 - 18 May 978)
   │ Beatrix of Lorraine ( - Aft 987)(m. 954)
   │    └─ Thierry I (Abt 965 - Between 11 Apr 1026 and 2 Jan 1027)
   │     Richilde (m. 985)
   │         + Mathilde of Swabia ( - Abt 1032)(m. Aft 1011)
   ├─ Liutgarde von Bidgau (Abt 915 - Aft 8 Apr 960)
   │ Eberhard IV (Abt 910 - 18 Dec 972)
   │    └─ Hugo V (Abt 935 - Bef 986)
   │     Luitgard von Metz
   │         + Heilwig von Dagsburg ( - 1046)
   └─ Siegfried of Luxembourg (Between 915 and 920 - Abt 998 bur.Saint-Maximum, Trier, Germany)
    Hedwig (Between 935 and 940 - 13 Dec 992 bur.Saint-Maximum, Trier, Germany)(m. Abt 955)
       ├─ Luitgard of Luxembourg ( - Aft 1005 bur.Egmond Abbey, Bergen, North Holland)
       │ Arnulf of Ghent (951 Ghent, Flanders - 18 Sep 993 Winkel, West Friesland)(m. May 980)
       │    └─ Dirk III of Friesland (Between 981 and 989 -
       │     27 May 1039 bur.Egmond Abbey, Bergen, North Holland) =>
       │     27 May 1039 bur.Egmond Abbey, Bergen, North Holland) =>
       │     + Othelindis of Nordmark ( - 31 Mar 1044 Saxony)
       ├─ Giselbert ( - Aft 18 May 1004)
       │
       │     + Baldwin IV "The Bearded" (980 - 29 May 1035 bur.Abbey of Saint-Pierre, Ghent, Flanders)
       │     (m. Abt 1005)
       │     (m. Abt 1005)
       └─ Frederick I of Luxembourg (965 - 6 Oct 1019)
        (Unknown daughter of Heribert I) (m. Bef 995)
           ├─ Gisela of Luxembourg ( - Aft 1058 bur.Chapel of St. Lawrence, Ghent, Flanders) =>
           │ + Ralph de Gand ( - Between 1052 and 1056)
           ├─ Imiza of Luxembourg (Abt 1000 - Aft 2 Aug 1055) =>
           │ + Welf II ( - 10 Mar 1030)(m. Abt 1017)
           │ + Gerberge de Boulogne ( - Aft 1059)
           └─ Giselbert of Luxembourg (Abt 1007 - 14 Aug 1059) =>
            +